import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import home from '@/views/home'
import main from '@/views/home/main'
import login from '@/views/login/Login'
Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    {
      path: '/login',
      name: 'login',
      component: login
    },
    // {
    //   path: '/',
    //   name: 'home',
    //   component: home,
    //   redirect:'/main',
    //   children:[
    //     {path: '/main', component: main}
    //   ]
    // }
  ]

})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  //     next()  放行    next('/login')  强制跳转

  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.localStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
